Television Preview

1
Television Preview

• Who invented TV? When?
• Who pays for TV?
• How does TV work?
• Who decides what we get to see?
• How has television technology changed?
• How has it changed us?
• What will TV be like ten years from now? 50 years
  from now?

2
Television The Chain of Discovery

• Video - I See
• Audio - I Hear
• 1817 - Berzelius - Selenium

3
History of Television

• 1881- Bidwell - The First FAX

4
History of Television

• 1875 - Carey - First TV

5
History of Television

• 1884 - Paul Nipkow - Scanning Disk

6
History of Television

• 1923 - Baird - First Transmission
• Mechanical TV

7
History of Television

• Cathode Ray Tube

8
History of Television

• 1930s - Zworykin and Farnesworth

9
History of Television

• 1950s - Color
• 1960s - Videotape
• 1980s - Multichannel Sound

10
History of Television 1990s

• HDTV
• Front/Rear Projection
• Flat TV
• Personal TV
• Digital TV
• Virtual Reality